The rapidly increasing sales of Liquid Crystal- and Plasma Display Television (TV) sets lead to new challenges to the sound processing inside TV-sets. Flat cabinets do not accommodate sufficiently room for loudspeakers which are able to reproduce frequencies below 100 to 200 Hz without distortions and with a reasonable sound pressure level. Cost reduction forces the set makers to use cheap and small loudspeakers, which are in no way comparable anymore to the loudspeakers used in Cathode Ray Tube Televisions. In this paper, we will describe the trends and the requirements of the market, and discuss different approaches and a practical implementation of a new algorithm, which tackle these problems.
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